HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 210

• Manufacturer Part Number: HD64F7144F50V
• Description: IC SUPERH MCU FLASH 256K 112QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7144r

Specifications of HD64F7144F50V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 74
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• For Use With: HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 6 Instruction Descriptions
Operation:
Rev. 5.00 Jun 30, 2004 page 194 of 512
REJ09B0171-0500O
MACW(long m,long n) /* MAC.W @Rm+,@Rn+*/
{
long tempm,tempn,dest,src,ans;
unsigned long templ;
tempn=(long)Read_Word(R[n]);
R[n]+=2;
tempm=(long)Read_Word(R[m]);
R[m]+=2;
templ=MACL;
tempm=((long)(short)tempn*(long)(short)tempm);
if ((long)MACL>=0) dest=0;
else dest=1;
if ((long)tempm>=0 {
}
else {
}
src+=dest;
MACL+=tempm;
if ((long)MACL>=0) ans=0;
else ans=1;
ans+=dest;
src=0;
tempn=0;
src=1;
tempn=0xFFFFFFFF;